Spiral conveyors preserve sludge on the transfer in Egypt

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    At what’s now the world’s largest water therapy plant, engineering agency SPIRAC has provided 2km (1.24 miles) of shaftless spiral conveyors for shifting sludge to and from the sludge drying areas.

    The $739M (£609M), 5.6 million m3/day Bahr El-Baqar plant – in Sinai, Egypt – will profit from 32 inclined SPIROLIFT® (OK) conveyors for dried sludge, plus an extra 32 inclined SPIROLINE® (U) conveyors for moist sludge.

    Dealing with 490,000 ton/yr of dry sludge (at drying degree 24%) and 165,000 ton/yr of dry sludge (at drying degree 75%), the shaftless SPIRAC conveyors provide considerably much less put on and much-reduced power utilization in comparison with shafted spirals.

    SPIROLIFT® vertical conveyors characteristic an octagonal trough and liner with breaks included. These present a key resistance level, which helps to forestall slippery supplies from forming a rotating plug. Its modern design encourages the fabric to maneuver vertically with the spiral face.

    In the meantime, the SPIROLINE® horizontal conveyors from SPIRAC at Bahr El-Baqar characteristic a U-trough with a low RPM shaftless spiral using on a particular low friction lengthy life trough liner.

    Aimed toward growing the Sinai Peninsula to maximise its pure assets, Bahr El-Baqar (a three way partnership between Arab Contractors (Arabco) and Orascom Development) will contribute to the reclamation of 400,000 feddans (roughly 415,000 acres) by recycling and utilizing agricultural, industrial and sewage wastewater. This might be diverted from the western to the jap financial institution underneath the Suez Canal. Upon therapy, all water might be disbursed in Sheikh Jaber’s Canal. Bahr El-Baqar will present much-needed water to irrigate greater than 168,000 hectares of plantations in Sinai.

    Within the first section of sludge assortment, sedimentary solids are transferred from sedimentation tanks to sludge thickening tanks.

    For sludge thickening (the second section), the sludge strikes to stabilization and thickening to acquire a thicker sludge. That is adopted by dewatering and a mechanical drying section to have the next dry charge of as much as 24%. 32 inclined SPIROLINE (U conveyors) transport the sludge to the sludge drying beds at a complete size of about one kilometre.

    Within the third and remaining section (photo voltaic drying), dry sludge at a drying degree of 75% is conveyed by 32 SPIROLIFT (OK) conveyors from the photo voltaic drying beds with a complete of roughly one kilometre. These biosolids have a number of makes use of, together with fertilizer for agricultural use and development functions.

    www.spirac.com



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